16404640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 45045504

約数和(自身を除く): 28640864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 151, 160, 194, 224, 280, 302, 388, 485, 560, 604, 679, 755, 776, 970, 1057, 1120, 1208, 1358, 1510, 1552, 1940, 2114, 2416, 2716, 3020, 3104, 3395, 3880, 4228, 4832, 5285, 5432, 6040, 6790, 7760, 8456, 10570, 10864, 12080, 13580, 14647, 15520, 16912, 21140, 21728, 24160, 27160, 29294, 33824, 42280, 54320, 58588, 73235, 84560, 102529, 108640, 117176, 146470, 169120, 205058, 234352, 292940, 410116, 468704, 512645, 585880, 820232, 1025290, 1171760, 1640464, 2050580, 2343520, 3280928, 4101160, 8202320, 16404640]

約数ペア:

[(1, 16404640), (2, 8202320), (4, 4101160), (5, 3280928), (7, 2343520), (8, 2050580), (10, 1640464), (14, 1171760), (16, 1025290), (20, 820232), (28, 585880), (32, 512645), (35, 468704), (40, 410116), (56, 292940), (70, 234352), (80, 205058), (97, 169120), (112, 146470), (140, 117176), (151, 108640), (160, 102529), (194, 84560), (224, 73235), (280, 58588), (302, 54320), (388, 42280), (485, 33824), (560, 29294), (604, 27160), (679, 24160), (755, 21728), (776, 21140), (970, 16912), (1057, 15520), (1120, 14647), (1208, 13580), (1358, 12080), (1510, 10864), (1552, 10570), (1940, 8456), (2114, 7760), (2416, 6790), (2716, 6040), (3020, 5432), (3104, 5285), (3395, 4832), (3880, 4228)]